Which expression is equivalent to 4/9 x 7? 4 divided by 7 x 9, | 4 x 7 divided by 9,

9 divided 4 x 7, | 7 x 9 divided by 4

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Is the square root of 4 plus the square root of 16 rational?

Which inequalities can be used to find the solution set of the following inequality? check all that apply. |2x – 5| (2x – 5) (2x + 5) –(2x – 5) –(2x + 5)